ʻO kēia ka papahanaʻoi akuʻo Woodest Hardest

Ināʻoe eʻimi ana i ka papa lāʻau e hikiʻole iāʻoe ke pani no nā makahiki he nui, ponoʻoe e nānā i ka lāʻau i ka hopenaʻoi aku o ke kēmu. ʻO keʻano, he mea pono e nīnau i nā kūlana hoʻolālā i'āponoʻia e kaʻoihana i kapaʻiaʻo ka scale scale o Janka. ʻO Janka ka mea hōʻoiaʻiʻo maoli i ka wā e hoʻoholo ai inā e mau ana kāu papa lāʻau i nā makahiki he nui - a iʻole inā e holo kokeʻo ia i ka hopena o nā'īlio a me nā wāwae o ka'īlio.

ʻAʻole i hanaʻia nā papa lāʻau āpau like, aʻo kekahi mau ululāʻau e kani ana i ka ikaika e hōʻike ana heʻano palupalu a nāwaliwali. No ka mea, uaʻikeʻia keʻanoʻo Wood Douglas Fir, he lāʻau maikaʻi. Akā inā heʻoiaʻiʻo maoliʻo Jankaʻo 660, e hana ana i ka lāʻau momona ma ka papa inoa -ʻaʻohe kūpono ka lōʻihi no ka hoʻohana mauʻana.

ʻO ka inoa o ka ulu lāʻau no ke kumu: aia nā mea a pau i ka hapalua o ka papa inoa. Eia kekahi laʻana,ʻo Northern Red Oak - kekahi o nā paakiki paʻakīkī liʻiliʻi loa - uaʻoi aʻe ka paʻakikī o Douglas Fir.

I ka manawa iʻikeʻia he lāʻau paʻakikī,ʻo ka Brazilian cherry wale nō ka helu o 2350.ʻO kahi lāʻau i hala i nā palapala kiʻiʻo Brazilian Walnut, me ka helu paʻakikī o 3380 a me Patagonia Rosewood, ma 3840.

Kelehana Lalo

ʻO nā papa lāʻauʻoihana paʻakikīʻekolu mauʻano:

ʻO nā papa ulu lāʻauʻelimaʻoi loa:

  1. ʻO Patagonian Rosewood
  2. ʻO Pelekania Brazil
  3. ʻO'Eboliʻo Beretania
  4. Red Cumaru
  5. ʻO Cumaru

Janka Ratings

Hoʻohālikeʻia ka paʻakikī o ka papa lāʻau e kekahi mea i kapaʻia ka ho'āʻoʻo Janka. Hoʻokipaʻia ka pōleʻele i 4444ʻoki i ka wahie e nīnauʻia ai ka hapalua o ke anawaena o ka polo. He mea nui e hoʻomanaʻo i kēia he hopena hopena ,ʻaʻole he ho'āʻo o ka hōʻiliʻiliʻana, kaʻimiʻana, a iʻole kekahi kapa a hawī'ē aʻe paha.

No kaʻikeʻana i ka papa lāʻau kahua pono nou, e nānā i nāʻike paʻakikī ma ka palapala ma Janka. Hōʻike ka helu kiʻekiʻe i nā lāʻauʻoi aku. Hōʻike nā helu haʻahaʻa i ka lāʻau meka.

Nā mea kino NĀ LĀNĀ - NĀ KOINA I HARD
Douglas Fir 660
S. Pine Pine, Shortleaf 690
S. Pine Pine, Longleaf 890
ʻO Black Cherry 950
Keak 1000
ʻOle Pale 1010
Kaluna 1225
Kaʻiwela Birch 1260
ʻO Red Oak, Northern 1290
ʻAmelika Beech 1300
Ka Pipi * - Teragren Craftsman II 1307
ʻAe 1320
ʻOkaʻOka 1360
ʻO Cypress 1375
ʻO Maple Maple 1450
ʻO Wenge 1620
African Pedauk 1725
Hickory 1820
Pecan 1820
Liliʻu 1860
Pākī (Malaccan Cherry) 1900
ʻo Jarrah 1910
ʻo Merbau 1925
ʻo Santos Mahogany 2200
ʻO Mesquite 2345
ʻO Cherry Cherryla 2350
Pecan Pelekikena 3540
ʻO Cumaru 3540
Red Cumaru 3640
ʻO'Eboliʻo Beretania 3585
ʻO Pelekania Brazil 3680
ʻO Patagonian Rosewood 3840

ʻO ka Bambooʻo Hard Hard?

ʻO kaʻoheʻaʻoleʻo ia he lāʻauʻoʻoleʻa.

ʻO kaʻoiaʻiʻo,ʻaʻole ia he ulu lāʻau.

Loaʻaʻia kaʻohe ma kahi o 5,000 Janka. ʻAʻole ka lāʻauʻo Bepa i wahie, akā, ma kaʻoihana papahana e hoʻolako pinepineʻia ma kēia wahi a hiki ke hoʻokuʻuʻia i ka ho'āʻoʻo Janka. ʻO kaʻohe me ka hoʻoikaikaʻia i ke kākoʻoʻiaʻana e ka hoʻohuiʻana o nā resins i kaʻohe. ʻO kekahi hana'ē aʻe i kapaʻia carbonizing he mea paʻakikī ia akāʻo ka hana maoli nō ia o kaʻohe. ʻO kaʻeleʻele Carbonizing e pili ana i ka liʻiliʻi,ʻaʻole ka laha.

Hard Wood vs. Wood Slack

Hoʻopiliʻia ka papa o ka papahele a kāwiliʻia ma o ka hoʻohana maʻamau. Ma luna o kēlā, inā he mau keiki aiʻole nā ​​mea puaʻa paha , e piʻi nui aʻe ka hopohopo e pili ana i nā niho a me nā'ōpala.

ʻOiai paha he mea pono ke kiʻiʻana i kahi lāʻauʻoi loa loa, e hoʻomanaʻo i kēia mau manaʻo: